55136455466 has 4 divisors (see below), whose sum is σ = 82704683202. Its totient is φ = 27568227732.

The previous prime is 55136455421. The next prime is 55136455483. The reversal of 55136455466 is 66455463155.

55136455466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 30705202441 + 24431253025 = 175229^2 + 156305^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13784113865 + ... + 13784113868.

Almost surely, 2^55136455466 is an apocalyptic number.

55136455466 is a deficient number, since it is larger than the sum of its proper divisors (27568227736).

55136455466 is a wasteful number, since it uses less digits than its factorization.

55136455466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27568227735.

The product of its digits is 6480000, while the sum is 50.

The spelling of 55136455466 in words is "fifty-five billion, one hundred thirty-six million, four hundred fifty-five thousand, four hundred sixty-six".